Our fluid calculator uses the common recommendation of 2/3 of your body weight in ounces. For most people, this will create a number slightly below the Institute of Medicine dietary reference guideline intake of 131 ounces for men and 95 ounces for women. Then, we multiply that number by 0.80. The man's actual weight is less than IBW + 30% so it is not necessary to calculate the ABW. 3. Calculate the ideal body weight (IBW) of a woman who is 64" tall and weighs 80 kg. If this woman is obese (> IBW + 30%), calculate the ABW. Female IBW = 45.5 kg + 2.3 × each inch over 60" 64" - 60" = 4" 45.5 kg + 2.3 x 4" IBW = 54.7 kg . 215 445 353 92 432 28 365 458

how to work out ideal body weight